Life Science Final Review

Bacteria cells are _______.

• eukaryotic

• prokaryotic

Human cells are ______.

• prokaryotic

• eukaryotic

Which of the following is an inherited trait?

• hair color

• sleeping late

• enjoying hiking

• loving to read

Which taxon is between kingdom and class in hierarchical classification?

• family

• phylum

• domain

• genus

Which of the following best describes homeostasis?

• homeostasis controls and coordinates body activities through chemicals

• homeostasis controls and coordinates body activities through electrical impulses

• homeostasis maintains a steady state in the internal environment of an organism

• homeostasis removes metabolic waste products from the cell

What is the purpose of DNA replication?

• cut the DNA

• make more cells

• apoptosis

• duplicate the DNA

Why is it crucial that living things are able to replicate their DNA?

• each cell must have its own DNA

• less copies of DNA are needed when a new cell is created

• a cell needs multiple copies of DNA

• only muscle cells need DNA

Why does DNA need to be replicated?

• so that new cells made during mitosis have the same identical DNA

• so that new cells made during mitosis have different DNA

• so that it can fill up space in the cell

• so that it can make new chromosomes

Which of the following best describes the purpose of the cell cycle?

• growth and repair and replacement of cells

• making new organelles

• transporting materials in and out of the cell

• making energy for the cell

In the human cell there 46 chromosomes. After going under mitosis how many chromosomes would each daughter cell have?

• 46

• 23

• 11.5

• 92